package com.example.mock;

import org.springframework.stereotype.Component;

/**
 * @Author: snow_grains
 * @Date: 2022/1/14
 * @Description:
 **/
@Component
public class UserDao {
    public String saveUser(User user) {
        return null;
    }

    Integer deleteById(Integer id) {
        return 0;
    }
}
